About: http://webisa.webdatacommons.org/81026372

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, potent analgesics such as opium, and laxatives of various kinds, were around for a long time.
http://www.w3.org/ns/prov#wasQuotedFrom	modernmechanix.com